/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*    http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package ai.h2o.sparkling.ml.utils

import java.io.ByteArrayInputStream

import hex.genmodel.{ModelMojoReader, MojoModel, MojoReaderBackendFactory}

object Utils {

  /**
    * Get MOJO from a binary representation of MOJO
    * @param mojoData data representing the MOJO model
    * @return MOJO model
    */
  def getMojoModel(mojoData: Array[Byte]): MojoModel = {
    val is = new ByteArrayInputStream(mojoData)
    val reader = MojoReaderBackendFactory.createReaderBackend(is, MojoReaderBackendFactory.CachingStrategy.MEMORY)
    ModelMojoReader.readFrom(reader)
  }

}
